A nurse is developing a plan of care for a client who has paranoid personality disorder. Which of the following actions should the nurse include in the plan?

The correct answer is C: Provide written information about the client's treatment plan. For a client with paranoid personality disorder, providing written information is important as it helps establish trust and transparency in the nurse-client relationship. Written information can reduce the client's anxiety about the treatment plan and provide a sense of control over their care. Monitoring for splitting behaviors (A) is not directly related to paranoid personality disorder. Isolating the client (B) goes against the therapeutic goal of promoting social interactions. Encouraging countertransference (D) is inappropriate as it involves the nurse projecting their feelings onto the client, which can hinder the therapeutic process.